Use of %C, %d, %e, %f, %s in printf

#include<stdio.h>
#include<math.h>
#include<string.h>
#include<conio.h>
int main()
{
    //"Use of %C, %d, %e, %f, %s  in printf
   
    char ch='A';                                                              // single quote is used for char
    printf("The char enttered is %c",ch);
    int i=1001;
    printf("\n The integer enttered is %d",i);
    double j=3454000;
    printf("\n The integer enttered in scientific notation is %e",j);  
    float f=34.546;
    printf("\n The float enttered is %f",f);  
    char s[] = "Welcome to codesplanet.blogspot.in";        // double quote is used for string
    printf("\n The string entered is : %s",s);
  
    getch();
    return 0;
    }